Flight International Airport departs from Muscat International Airport at 08:45 and arrives at Islamabad Benazir Bhutto International Airport at 12:35.
The flighttime is about 2h 50m. The distance travelled ("as the bird flies"): 1704 Km. So the average speed is roughly 601 Km.
There is an 1 hour time difference between Muscat and Islamabad